Add an Editwin.pm that allows importing of the editwin functions.

perl/lib/BarnOwl.pm

@@ -17,6 +17,7 @@ use BarnOwl::Hooks;
 use BarnOwl::Message;
 use BarnOwl::Style;
 use BarnOwl::Timer;
+use BarnOwl::Editwin;
 
 =head1 NAME
 

perl/lib/BarnOwl/Editwin.pm

@@ -0,0 +1,22 @@
+use warnings;
+use strict;
+
+=head1 NAME
+
+BarnOwl::Editwin
+
+=head1 DESCRIPTION
+
+Functions for interfacing with the BarnOwl editwin. Most of the
+functions in this module are defined in perlglue.xs; This module
+exists to provide Exporter hooks and documentation for them.
+
+=cut
+
+package BarnOwl::Editwin;
+use base qw(Exporter);
+
+our @EXPORT_OK = qw(text_before_point text_after_point replace
+                    point_move replace_region save_excursion);
+
+1;